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A sliding door operator (or sliding door opener or automatic sliding door operator) is a device that operates a sliding door for pedestrian use. It opens the door automatically, waits, then closes it. Sliding door with opener at the Overloon War Museum, Netherlands
The automatic door used a mat actuator. In 1960, they co-founded Horton Automatics Inc and placed the first commercial automatic sliding door on the market. [5] With the invention of the Gunn diode, microwave motion detectors became common in automatic doors in the 1970s. [6] [7] In 1980, the first automatic door using an infrared sensor was ...
Automatic mechanisms are also used for security purposes, being controlled by a keypad, swipe card, or biometrically controlled electromagnetic device. [citation needed] The latter include retina scanners, fingerprint readers, and voice recognition technologies. [28] Electric door closers may also be hooked to a building’s fire alarm system.
Full Energy operators are typically used on the outside doors of medium-sized retail business. (Larger retail businesses prefer sliding door operators.)Low Energy operators are typically used where a simple door closer is sufficient for able users, yet it is necessary to add access to disabled users: small businesses, apartments, bathrooms.
Sliding doors that disappear into the floor horizontally are called rolling doors. Suicide – hinged on the rear end of the door-frame, and open horizontally towards the rear. Swan – opens outward like either a conventional door or a suicide door , but on an axis slightly tilted from vertical, or via articulation in the hinge to angle upward ...
#3 Automatic Toilet Bowl Cleaning System: ... The best part is the sliding side of the table where we keep our remotes and other stuff. Helps keep the top of the table clean but is also super ...